OpenTechnical

OT-2026-000070600

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000070600) never changes.

Identity and time

Publication numberOT-2026-000070600 · never reused
Internal UUID01a0ae91-5460-7220-ad22-79a814d978e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070600
StatusPUBLIC

Content hashes

Canonical text61d6ef8144cca0da3cc4a3813950270a95a334cfcc61c40be30eb152ad9d191f
Markdowne6a80aedf33541a5b50264fac0d3528025b603e96cd0d2d0dbbab74bd3679004
PDF
Publication page5ddd1e54bf79ba502d40d716c012f5a4196b121ef3d7a196b9ae010e76fa3e8b
Manifest3baf030fde22ff1b4fc22ba67b045c7538c92c61aec951e2cf1c68ec8fb104fa

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturekyn7t6ZmV9UP+Nzp0cu3S3v8jar48BuyraFEF7jlW6WixjRFN/m6BftP1xj9seWtjqdAzvja9agPD+GawJkrCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:27.467781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070600
observed 5ddd1e54bf79ba502d40d716c012f5a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.451924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070600/manifest.json
observed 3baf030fde22ff1b4fc22ba67b045c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.434599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070600/publication.md
observed e6a80aedf33541a5b50264fac0d35280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.418609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070600/publication.txt
observed 61d6ef8144cca0da3cc4a3813950270a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.